<?php
/**
 * PHPExcel
 *
 * Copyright (c) 2006 - 2013 PHPExcel
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * @category   PHPExcel
 * @package    PHPExcel_Worksheet_Drawing
 * @copyright  Copyright (c) 2006 - 2013 PHPExcel (http://www.codeplex.com/PHPExcel)
 * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt	LGPL
 * @version    1.7.9, 2013-06-02
 */


/**
 * PHPExcel_Worksheet_Drawing
 *
 * @category   PHPExcel
 * @package    PHPExcel_Worksheet_Drawing
 * @copyright  Copyright (c) 2006 - 2013 PHPExcel (http://www.codeplex.com/PHPExcel)
 */
class PHPExcel_Worksheet_Drawing extends PHPExcel_Worksheet_BaseDrawing implements PHPExcel_IComparable {
	/**
	 * Path
	 *
	 * @var string
	 */
	private $_path;

	/**
	 * Create a new PHPExcel_Worksheet_Drawing
	 */
	public function __construct() {
		// Initialise values
		$this->_path = '';

		// Initialize parent
		parent::__construct();
	}

	/**
	 * Get Filename
	 *
	 * @return string
	 */
	public function getFilename() {
		return basename($this->_path);
	}

	/**
	 * Get indexed filename (using image index)
	 *
	 * @return string
	 */
	public function getIndexedFilename() {
		$fileName = $this->getFilename();
		$fileName = str_replace(' ', '_', $fileName);

		return str_replace('.' . $this->getExtension(), '', $fileName) . $this->getImageIndex() . '.' . $this->getExtension();
	}

	/**
	 * Get Extension
	 *
	 * @return string
	 */
	public function getExtension() {
		$exploded = explode(".", basename($this->_path));

		return $exploded[count($exploded) - 1];
	}

	/**
	 * Get Path
	 *
	 * @return string
	 */
	public function getPath() {
		return $this->_path;
	}

	/**
	 * Set Path
	 *
	 * @param    string  $pValue      File path
	 * @param    boolean $pVerifyFile Verify file
	 *
	 * @throws    PHPExcel_Exception
	 * @return PHPExcel_Worksheet_Drawing
	 */
	public function setPath($pValue = '', $pVerifyFile = true) {
		if ($pVerifyFile)
		{
			if (file_exists($pValue))
			{
				$this->_path = $pValue;

				if ($this->_width == 0 && $this->_height == 0)
				{
					// Get width/height
					list($this->_width, $this->_height) = getimagesize($pValue);
				}
			}
			else
			{
				throw new PHPExcel_Exception("File $pValue not found!");
			}
		}
		else
		{
			$this->_path = $pValue;
		}

		return $this;
	}

	/**
	 * Get hash code
	 *
	 * @return string    Hash code
	 */
	public function getHashCode() {
		return md5($this->_path . parent::getHashCode() . __CLASS__);
	}

	/**
	 * Implement PHP __clone to create a deep clone, not just a shallow copy.
	 */
	public function __clone() {
		$vars = get_object_vars($this);
		foreach ($vars as $key => $value)
		{
			if (is_object($value))
			{
				$this->$key = clone $value;
			}
			else
			{
				$this->$key = $value;
			}
		}
	}
}
